Mixed-species foraging flock
Videos
A mixed-species feeding flock, also termed a mixed-species foraging flock, mixed hunting party or informally bird wave, is a flock of usually insectivorous birds of different species that join each ot
Black-headed gulls, bar-tailed godwits and sanderlings foraging on a beach
Mixed-species flock containing American herring gull, royal tern, laughing gull, and black skimmer foraging on a beach
Mixed-species flock containing Lapland longspur, horned lark, and snow bunting foraging in the snow
Mixed-species finch flock including long-tailed finch, masked finch, and Gouldian finch at Ferguson River in Australia
Species complex
Videos
In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex m
Mixed-species foraging flock
…infrequently. Some species appear to prefer when certain others are present: Cyanolyca jays like to flock with unicolored jays and the emerald toucanets species complex. Many Icteridae associate only with related species, but the western subspecies of the yellow-backed oriole associates with jays and the band-backed…
At least six treefrog species make up the Hypsiboas calcaratus–fasciatus species complex.
The fly agaric comprises several cryptic species, as is shown by genetic data.
The forest elephant (shown) is the bush elephant's sibling species.
Mbuna cichlids form a species flock in Lake Malawi.